{"source":"gemini","id":"219720","ticker":"TENNIS-WTAUSO-20260830-KEY-KOR3","slug":"madison-keys-vs-alina-korneeva","title":"Madison Keys vs Alina Korneeva","description":"Madison Keys vs Alina Korneeva","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-08-28T14:08:27.512000Z","end_date":"2026-09-02T15:40:00Z","closed_time":"2026-09-01T17:22:21.092000Z","volume":18908.74,"volume_24hr":18908.74,"volume_24h_change":null,"normalized_vol_24hr":76.71748352050781,"normalized_volume":61.1674690246582,"liquidity":null,"open_interest":null,"categories":["Sports"],"tags":["US Open"],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Madison Keys","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.26,"top_outcome_volume_24h_change":null,"updated_at":"2026-09-01T17:41:22.841481Z","fetched_at":"2026-09-01T17:41:22.841481Z","added_at":"2026-08-28T14:25:27.543185Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260830-KEY-KOR3/madison-keys-vs-alina-korneeva","chart_24h":[1.34,21.37,22.37,221.43,568.11,6588.44,10920.88,18908.74,18908.74],"kind":"live","markets":[{"source":"gemini","id":"219720-527480","event_id":"219720","slug":"GEMI-TENNIS-WTAUSO-20260830-KEY-KOR3-KEY","question":"Madison Keys","group_item_title":"Madison Keys","description":"This market resolves to Yes if Madison Keys wins the tennis match between Madison Keys and Alina Korneeva originally scheduled for August 30, 2026 at 11:00 AM ET. Otherwise, it will resolve to No. The Underlying is the official result of the specified sporting event. Source Agencies, in order, are the tournament governing body (ATP, WTA, ITF), ESPN, Fox Sports, and the broadcast partner of the event. If the Expiration Value cannot be determined on the Expiration Date (including because the event is cancelled or a player forfeits, withdraws, or is disqualified), the Exchange may determine payouts pursuant to the Market Outcome Review Process. View the [full rules](https://assets.gemini.com/predictions/terms_and_conditions/Sporting_Win_Lose_Event_2_Terms_and_Conditions_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://images.ctfassets.net/jg6lo9a2ukvr/enO9xnfkxGSdWrMuQ8f5I/4c82ff835d421bbc99f0e320a08f2088/153-united-states-of-america.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.01,"active":false,"closed":true,"start_date":"2026-09-01T05:00:00Z","end_date":"2026-09-02T15:40:00Z","closed_time":"2026-09-01T17:22:20.925000Z","volume":null,"volume_24hr":null,"prob_24h_change":0.26,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T17:41:22.850166Z","fetched_at":"2026-09-01T17:41:22.850166Z","added_at":"2026-08-28T14:25:27.775185Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260830-KEY-KOR3/madison-keys-vs-alina-korneeva","event_title":"Madison Keys vs Alina Korneeva","chart_24h":[0.74,0.73,0.73,0.72,0.72,0.73,0.74,0.74,0.74,0.73,0.73,0.73,0.73,0.73,0.73,0.88,0.88,0.99,1.0]},{"source":"gemini","id":"219720-527481","event_id":"219720","slug":"GEMI-TENNIS-WTAUSO-20260830-KEY-KOR3-KOR3","question":"Alina Korneeva","group_item_title":"Alina Korneeva","description":"This market resolves to Yes if Alina Korneeva wins the tennis match between Alina Korneeva and Madison Keys originally scheduled for August 30, 2026 at 11:00 AM ET. Otherwise, it will resolve to No. The Underlying is the official result of the specified sporting event. Source Agencies, in order, are the tournament governing body (ATP, WTA, ITF), ESPN, Fox Sports, and the broadcast partner of the event. If the Expiration Value cannot be determined on the Expiration Date (including because the event is cancelled or a player forfeits, withdraws, or is disqualified), the Exchange may determine payouts pursuant to the Market Outcome Review Process. View the [full rules](https://assets.gemini.com/predictions/terms_and_conditions/Sporting_Win_Lose_Event_2_Terms_and_Conditions_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://assets.gemini.com/predictions/images/NEU_8396a4cb-e255-4cef-9b51-362adb0ffa40.avif","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.01,"active":false,"closed":true,"start_date":"2026-09-01T05:00:00Z","end_date":"2026-09-02T15:40:00Z","closed_time":"2026-09-01T17:22:21.092000Z","volume":null,"volume_24hr":null,"prob_24h_change":-0.3,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T17:41:22.850166Z","fetched_at":"2026-09-01T17:41:22.850166Z","added_at":"2026-08-28T14:25:27.775185Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260830-KEY-KOR3/madison-keys-vs-alina-korneeva","event_title":"Madison Keys vs Alina Korneeva","chart_24h":[0.3,0.28,0.29,0.29,0.29,0.29,0.29,0.3,0.29,0.28,0.28,0.16,0.14,0.02,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/219720","as_of":"2026-09-01T18:47:37.660537Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Madison Keys vs Alina Korneeva\" — top market at 100% probability across 2 outcomes","source_url":null}}